1961. First Edition. 234 pages. Blue dust jacket over blue cloth covered boards with gilt. Pages remain clear with minimal tanning and foxing. Text block edge is moderately foxed. Binding remains firm. Boards have mild edge-wear with slight rubbing to surfaces. Mild crushing to spine ends. Book has a slight forward lean. Gilt lettering is bright and clear. Unclipped jacket has moderate edge-wear with chips, tears and creasing. Moderate tanning to spine.